package com.neusoft.elm.dao.impl;

import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.PreparedStatement;

import com.neusoft.elm.dao.AdminDao;
import com.neusoft.elm.po.Admin;
import com.neusoft.elm.util.DBUtil;

public class AdminDaoImpl implements AdminDao{
	
	private Connection con = null;
	private PreparedStatement pst = null;
	private ResultSet rs = null;
	
	
	@Override
	public Admin getAdminByNameByPass(String adminName, String password) {
		//如果查出来返回对象，没查出来返回空指针，返回是个集合，在创建的时候直接new出来
		Admin admin = null;
		String sql = "select * from admin where adminName=? and password=?";
		
		try {
			con = DBUtil.getConnection();
			pst = con.prepareStatement(sql);
			pst.setString(1, adminName);
			pst.setString(2, password);
			rs = pst.executeQuery();
			//将数据库的报数据转换成java的对象数据
			while(rs.next()) {
				admin = new Admin();
				admin.setAdminId(rs.getInt("adminId"));
				admin.setAdminNAme(rs.getString("adminName"));
				admin.setPassword(rs.getString("password"));
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}finally {
			DBUtil.close(rs, pst, con);
		}
		return admin;
	}

}
